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Which of the following is the correct way to describe Spot instances in AWS EC2?

easy📝 Syntax Q12 of 15
AWS - EC2 Fundamentals
Which of the following is the correct way to describe Spot instances in AWS EC2?
AInstances with a fixed monthly fee
BInstances that use spare capacity and can be interrupted
CInstances reserved for 3 years with upfront payment
DInstances that run only on dedicated hardware
Step-by-Step Solution
Solution:

  1. Step 1: Define Spot instances

    Spot instances use spare AWS capacity and are cheaper but can be stopped anytime.

  2. Step 2: Eliminate other options

    Fixed monthly fee applies to Reserved; dedicated hardware is Dedicated hosts.

  3. Final Answer:

    Instances that use spare capacity and can be interrupted -> Option B

  4. Quick Check:

    Spot = spare capacity + interruption [OK]
Quick Trick: Spot = cheap but can stop anytime [OK]
Common Mistakes:
MISTAKES
  • Thinking Spot has fixed fees
  • Confusing Reserved with Spot
  • Mixing Dedicated hosts with Spot

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